Generator Voltage Sense Circuit B
The voltage sense circuit B for the generator reports a circuit b condition. Generator output regulation may be impaired.
Affected components
- Generator b
- Wiring harness
- Ecm
Common causes
- High likelihood: Voltage sense circuit failed
- Medium likelihood: Wiring or connector fault
- Low likelihood: Pack cell imbalance approaching service threshold
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.